Tagged Questions

In light of Bradley Wiggins' recent hour record of 54.526km, I heard a lot about how Chris Boardman has the absolute record of 56.375km. What I didn't hear and (hence my question) what I want to know ...

I weigh very low about 56 kilograms and height is 5 feet 6 inches.I use a hybrid for fun and commuting.
While riding i use the hishest gear on my bike always i.e 48 tooth front and 11 tooth back.
I ...

Up til now I have ridden with Strava running on my mobile phone sitting in a special mobile phone holder which sits up on my handlebars.
Now I am looking for a better solution, both more aerodynamic ...

To give an example of what I'm trying to understand:
To accelerate to a given speed or maintain that speed with a tyre pressure of e.g. 100PSI requires a certain amount of energy. If that amount of ...

I just bought a Sports Tracker Smart heart rate monitor that communicates via Bluetooth. Then I saw the cadence sensor that also measures speed and distance plus it communicates with Bluetooth Smart. ...

I have had this question for a while. I want to know how I can get down a hill as fast as I can. So, I was wondering if increasing the weight of a bike increases the speed on downhill stretches, or ...

I just saw this guy called Jason Rourke breaking the record of 112.94mph (181km/h) on his bicycle. I wish I could have such a bicycle to ride, but I have never ridden a racing bicycle with gears.
I ...

At what slope will the best bikers (in terms of aerodynamics) on the best bikes roll at a constant speed at 80 km/h on an asphalt surface on a dry day? The reason for this question is because it gives ...

I am trying to understand the physics of bike weight. I have just made a switch from an 11Kg road bike to an 8Kg one (obviously there are many more factors and differences between the 2 bikes other ...

I have an old mountain bike and want to change to a Pashley style girlie bike. I use my bike to go to the shops, pop to places and go out and about with my dog running along side. I find the seating ...

I normally cycle on a cycle path and I struggle to go over 10Mph on my bike for any distance. My Daily commute took me 58 to 42 minutes depending on how much I push myself.
This morning and yesterday ...

My old (But freakin' awesome) french road bike goes fast, considering that the only times im racing is pretty much against my friends who all have mountain bikes. Needless to say I always win. But I ...

How can a cyclist, new to commuting by bike and not all that experienced in riding, estimate how long a commute will take?
Answers will of course vary, and actually riding the commute will tell the ...

How can a cyclist, new to commuting by bike and not all that experienced in riding, estimate how long a commute will take?
I have been riding for 4 days to and from work. 156km over over 4 days. I'd ...

I live in a mountainous area, and so there are lots of opportunities for descending at high speed. I currently have a bike with drop bars, and when in the drops, I feel very stable doing this.
I am ...

In E.T. the bicycles fly. In old films we see some inventors try to construct a bicycle which flies, with wings similar to a bird's.
Yogi bear has a flying ship.
See the picture above the site. The ...

When I turn I usually shift my weight on the same side I'm turning to. To ease the discussion let's assume we are turning left, on a paved road (no mud/gravel/potholes/grease/oil/ice/door traps).
I ...

I have heard that the severity of injuries tend to decrease while riding a road bike at high speed. An instance of high speed would be like those in the Tour de France.
The reasoning behind this idea ...

I was watching Tour de France with my father (who is a cat 3 racer), and he claimed to be able to estimate how fast the riders were going by observing the cyclist on the screen. I didn't believe him ...

Someone suggested going with a 700c wheel to go faster, and after thinking about it I am wondering if a larger wheel actually does go faster. I understand that your gears will cause a wheel to rotate ...

I've ridden road and mountain bikes for years, and this is my first year riding as a part of a team (and actually doing races). I've been stuck at nearly the same level of skill when descending and ...

I would like to replace my 7 speed HG70 cassette and chain. My problem is that it is increasingly difficult to find quality parts for 7 speed system.
My bike is a Trek 970 from 1993, originally with ...

Does the speed of a normal mountain bike vary according to the diameter of the wheels? If it does, will a larger diameter increase the speed or decrease it?
Similarly, if the speed varies according ...

I normally wear a cotton t-shirt when I ride. If I get a bike jersey, how much difference will the reduced air resistance make at, for example, 20 mph? I realize it's not possible to be precise, but I ...

I'd like to understand more about how the design of a bike affects its speed (assume a normal, two-wheeled bike with gears).
Can I assume that weight has little effect, on level ground, except when ...